OBD Guide
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B2442

Intrusion Sensor Fault

B2442 is an OBD-II diagnostic trouble code meaning: Intrusion Sensor Fault. Common causes: damage to the intrusion sensor, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • False alarms
  • Security fault indication on the dashboard
  • Restraint system failure

Causes

  • Damage to the intrusion sensor
  • Open or short circuit in wiring harness
  • Malfunction of the electronic control unit
  • Contact corrosion
  • Software error

How to Fix

  1. Check the integrity of the intrusion sensor
  2. Inspect the wiring harness for damage
  3. Check contacts for corrosion
  4. Scan the system for other errors
  5. If necessary, replace the sensor or wiring harness
  6. Update control unit software

Related codes

B2441B2443B2444

FAQ

What does the B2442 code mean?

B2442 is an OBD-II diagnostic trouble code that indicates: Intrusion Sensor Fault

What causes a B2442 error code?

The most common causes of B2442 include: Damage to the intrusion sensor; Open or short circuit in wiring harness; Malfunction of the electronic control unit; Contact corrosion.

How do I fix a B2442 diagnostic trouble code?

To fix B2442: Check the integrity of the intrusion sensor. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2442?

Limited driving only, diagnose soon

How much does it cost to fix B2442?

The estimated repair cost for B2442 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat